docker-compose.yml

version: '3.7'

x-default-service: &defaults
  restart: unless-stopped
  environment:
    MYSQL_HOST: mysql_test
    POSTGRES_HOST: postgres_test

    SQLITE_DB: dbcuttest.sqlite

    POSTGRES_PASSWORD: dbcuttest
    POSTGRES_DB: dbcuttest
    POSTGRES_DB_2: dbcuttest_2
    POSTGRES_USER: dbcuttest

    MYSQL_ROOT_PASSWORD: dbcuttest
    MYSQL_PASSWORD: dbcuttest
    MYSQL_DATABASE: dbcuttest
    MYSQL_DATABASE_2: dbcuttest_2
    MYSQL_USER: dbcuttest

services:

  app:
    <<: *defaults
    build:
      context: "${PROJECT_DIR}"
      dockerfile: docker/Dockerfile
      args:
        PYTHON_IMAGE: ${PYTHON_IMAGE}
    volumes:
      - "$ROOT_VOLUME_PATH:/app"
    depends_on:
      - mysql_test
      - postgres_test

  mysql_test:
    <<: *defaults
    build:
      context: "${PROJECT_DIR}"
      dockerfile: docker/mysql_test/Dockerfile
      args:
        MYSQL_IMAGE: ${MYSQL_IMAGE}
    tmpfs:
      - /var/lib/mysql

  postgres_test:
    <<: *defaults
    image: ${POSTGRES_IMAGE}
    tmpfs:
      - /var/lib/pgsql/data